send back an echo

Examples (10)

• The vast canyon walls send back a clear echo of every shout.
• He dropped a stone down the well to hear if it would send back an echo.
• The empty concert hall sent back a hollow echo of his footsteps.
• Sonar technology relies on surfaces that send back an echo of the sound pulse.
• Even the dense fog seemed to send back a muffled echo.
• If you clap your hands near the cliff, it will send back a distinct echo.
• The large, unfurnished room sent back an echo of her voice.
• The mountain across the valley always sends back an echo a few seconds later.
• The sonar device failed because the seabed didn't send back a strong enough echo.
• The long, dark tunnel sent back an eerie echo of our whispers.